Support deleting/undoing deck from deck picker

+ Delete the cards inside the default deck if user tries to delete it Closes ankidroid#11703
ankitects · Jul 4, 2022 · c5d0f1b · c5d0f1b
1 parent e4eb805
commit c5d0f1b
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Showing 3 changed files with 36 additions and 12 deletions.
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/DeckPicker.kt b/AnkiDroid/src/main/java/com/ichi2/anki/DeckPicker.kt
@@ -92,11 +92,8 @@ import com.ichi2.async.CollectionTask.*
 import com.ichi2.async.Connection.CancellableTaskListener
 import com.ichi2.async.Connection.ConflictResolution
 import com.ichi2.compat.CompatHelper.Companion.sdkVersion
-import com.ichi2.libanki.ChangeManager
+import com.ichi2.libanki.*
 import com.ichi2.libanki.Collection.CheckDatabaseResult
-import com.ichi2.libanki.Consts
-import com.ichi2.libanki.Decks
-import com.ichi2.libanki.Utils
 import com.ichi2.libanki.importer.AnkiPackageImporter
 import com.ichi2.libanki.sched.AbstractDeckTreeNode
 import com.ichi2.libanki.sched.TreeNode
@@ -108,6 +105,7 @@ import com.ichi2.ui.BadgeDrawableBuilder
 import com.ichi2.utils.*
 import com.ichi2.utils.Permissions.hasStorageAccessPermission
 import com.ichi2.widget.WidgetStatus
+import kotlinx.coroutines.Job
 import net.ankiweb.rsdroid.BackendFactory
 import net.ankiweb.rsdroid.RustCleanup
 import timber.log.Timber
@@ -2224,15 +2222,32 @@ open class DeckPicker :
         createDeckDialog.showDialog()
     }
 
-    fun confirmDeckDeletion(did: Long) {
+    fun confirmDeckDeletion(did: Long): Job? {
+        if (!BackendFactory.defaultLegacySchema) {
+            dismissAllDialogFragments()
+            // No confirmation required, as undoable
+            return launchCatchingCollectionTask { col ->
+                val changes = runInBackgroundWithProgress {
+                    undoableOp {
+                        col.newDecks.removeDecks(listOf(did))
+                    }
+                }
+                showSimpleSnackbar(
+                    this@DeckPicker,
+                    col.tr.browsingCardsDeleted(changes.count),
+                    false
+                )
+            }
+        }
+
         val res = resources
         if (!colIsOpen()) {
-            return
+            return null
         }
         if (did == 1L) {
             showSimpleSnackbar(this, R.string.delete_deck_default_deck, true)
             dismissAllDialogFragments()
-            return
+            return null
         }
         // Get the number of cards contained in this deck and its subdecks
         val cnt = DeckService.countCardsInDeckTree(col, did)
@@ -2241,7 +2256,7 @@ open class DeckPicker :
         if (cnt == 0 && !isDyn) {
             deleteDeck(did)
             dismissAllDialogFragments()
-            return
+            return null
         }
         // Otherwise we show a warning and require confirmation
         val msg: String
@@ -2252,6 +2267,7 @@ open class DeckPicker :
             res.getQuantityString(R.plurals.delete_deck_message, cnt, deckName, cnt)
         }
         showDialogFragment(DeckPickerConfirmDeleteDeckDialog.newInstance(msg, did))
+        return null
     }
 
     /**

diff --git a/AnkiDroid/src/test/java/com/ichi2/anki/DeckPickerTest.java b/AnkiDroid/src/test/java/com/ichi2/anki/DeckPickerTest.java
@@ -24,6 +24,8 @@
 import com.ichi2.testutils.DbUtils;
 import com.ichi2.utils.ResourceLoader;
 
+import net.ankiweb.rsdroid.BackendFactory;
+
 import org.apache.commons.exec.OS;
 import org.junit.Before;
 import org.junit.Test;
@@ -237,7 +239,7 @@ public void confirmDeckDeletionDeletesEmptyDeck() {
 
         DeckPicker deckPicker = startActivityNormallyOpenCollectionWithIntent(DeckPicker.class, new Intent());
 
-        deckPicker.confirmDeckDeletion(did);
+        awaitJob(deckPicker.confirmDeckDeletion(did));
 
         advanceRobolectricLooperWithSleep();
 
@@ -246,6 +248,10 @@ public void confirmDeckDeletionDeletesEmptyDeck() {
 
     @Test
     public void deletion_of_filtered_deck_shows_warning_issue_10238() {
+        if (!BackendFactory.getDefaultLegacySchema()) {
+            // undoable
+            return;
+        }
         // Filtered decks contain their own options, deleting one can cause a significant loss of work.
         // And they are more likely to be empty temporarily
         long did = addDynamicDeck("filtered");

diff --git a/AnkiDroid/src/test/java/com/ichi2/anki/dialogs/CreateDeckDialogTest.kt b/AnkiDroid/src/test/java/com/ichi2/anki/dialogs/CreateDeckDialogTest.kt
@@ -162,7 +162,7 @@ class CreateDeckDialogTest : RobolectricTest() {
 
                     // After the last deck was created, delete a deck
                     if (decks.count() >= 10) {
-                        deckPicker.confirmDeckDeletion(did)
+                        awaitJob(deckPicker.confirmDeckDeletion(did))
                         assertEquals(deckCounter.decrementAndGet(), decks.count())
 
                         assertEquals(deckCounter.get(), decks.count())
@@ -186,7 +186,8 @@ class CreateDeckDialogTest : RobolectricTest() {
                 deckPicker.updateDeckList()
                 assertTrue(deckPicker.searchDecksIcon!!.isVisible)
 
-                deckPicker.confirmDeckDeletion(decks.id("Deck0::Deck1"))
+                awaitJob(deckPicker.confirmDeckDeletion(decks.id("Deck0::Deck1")))
+
                 assertEquals(2, decks.count())
                 deckPicker.updateDeckList()
                 assertFalse(deckPicker.searchDecksIcon!!.isVisible)
@@ -199,7 +200,8 @@ class CreateDeckDialogTest : RobolectricTest() {
                 deckPicker.updateDeckList()
                 assertTrue(deckPicker.searchDecksIcon!!.isVisible)
 
-                deckPicker.confirmDeckDeletion(decks.id("Deck0::Deck1"))
+                awaitJob(deckPicker.confirmDeckDeletion(decks.id("Deck0::Deck1")))
+
                 assertEquals(2, decks.count())
                 deckPicker.updateDeckList()
                 assertFalse(deckPicker.searchDecksIcon!!.isVisible)